CriticalCubing
Veteran
The guide was written by PCWizCube. There are credits in description. Also it is not mandatory but if your cross and f2l take 12-14 seconds of your time, then you need to get your OLL and PLL in 3 seconds time. Full OLL is not required for sub 15 but eventually you will have to learn full OLL and the base for learning full OLL might be good at 16-18 seconds.Statement in the quote was on the guide, statement in bold is me.
Personally this guide helped me so I compiled it into a prosentation/video type of thing.
And the quick tips are tips which I got from members from the forums so I added them in the end.
And liking and disliking is personal preference, I will not comment on that. But what did you dislike though?